While it might be tempting to squeeze a workout in while the baby naps, you’re better off getting some shut-eye, says Pagano, who insists you should “avoid exercising to fatigue.” But while you’re in bed, she recommends 20 Kegels and 20 belly breaths, “where you pull abdominal muscles toward the spine as you exhale.” Do twice a day to re-condition the pelvic floor and core muscles. Then, snooze.